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#include <sparc-ifunc.h>
#define sha512_process_block sha512_process_block_generic
extern void sha512_process_block_generic (const void *buffer, size_t len,
struct sha512_ctx *ctx);
#include <crypt/sha512-block.c>
#undef sha512_process_block
extern void __sha512_process_block_crop (const void *buffer, size_t len,
struct sha512_ctx *ctx);
static bool cpu_supports_sha512(int hwcap)
{
unsigned long cfr;
if (!(hwcap & HWCAP_SPARC_CRYPTO))
return false;
__asm__ ("rd %%asr26, %0" : "=r" (cfr));
if (cfr & (1 << 6))
return true;
return false;
}
extern void sha512_process_block (const void *buffer, size_t len,
struct sha512_ctx *ctx);
sparc_libc_ifunc(sha512_process_block, cpu_supports_sha512(hwcap) ? __sha512_process_block_crop : sha512_process_block_generic);
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